Gympie Regional Council and police have sanctioned the event, though there are some concerns it may not stay "peaceful".

Mayor Mick Curran said yesterday his council welcomed free speech and that he hoped the predicted rain did not evenuate.

According to Reclaim Australia's Facebook page and website, today's event is the result of a "grassroots movement" that has been organised into a nationwide rally being held in 15 capital cities, major cities and townships and rural areas.

"The rallies are being independently organised by blue collar workers, white collar workers, mothers, fathers, grandfathers, grandmothers - people from all walks of life concerned with a certain issue that they want heard and addressed by government," the website says.

"We are not a racist hate group affiliated with any other group, nor neo-Nazi or white supremacist. In fact it is the opposite.

"We are simply patriotic and love our country, our nation and the law that supports our values and our lifestyle.

"We just want our successful Australian way of life retained - that is not 'racist', that is just plain sensible.

"For the first time in our recent history Australians have now been exposed to hostage sieges, attacks on our police and service people, foiled beheading and bombing attempts, here on our soil.

"The rallies are a public response to the shock of recent atrocities of 'Islam's radicals' both inside and outside of Australia, echoed by our media."